(19)
(11) EP 0 805 712 A1

(12)

(43) Date of publication:
12.11.1997 Bulletin 1997/46

(21) Application number: 96900482.0

(22) Date of filing: 19.01.1996
(51) International Patent Classification (IPC): 
B01D 53/ 86( . )
(86) International application number:
PCT/CA1996/000027
(87) International publication number:
WO 1996/022828 (01.08.1996 Gazette 1996/35)
(84) Designated Contracting States:
AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE

(30) Priority: 25.01.1995 CA 19952141734

(71) Applicants:
  • Gaz Métropolitain and Company, Limited Partnership
    Montreal, Quebec H2K 2X3 (CA)
  • Pandey, Raj, Narain
    Guelph, Ontario N1G 4A9 (CA)

(72) Inventors:
  • PANDEY, Raj, Narain
    Guelph, Ontario N1G 4A9 (CA)
  • RATNANI, Kebir
    Boucherville, Quebec J4B 7T9 (CA)
  • VARMA, Raghunandan, Lal
    Guelph, Ontario N1G 4S8 (CA)
  • PANDEY, Rupesh, Narain
    Guelph, Ontario N1G 4A9 (CA)
  • ELKAIM, David
    St-Laurent, Quebec H4M 2R1 (CA)

(74) Representative: Perry, Robert Edward 
GILL JENNINGS & EVERY Broadgate House 7 Eldon Street
London EC2M 7LH
London EC2M 7LH (GB)

   


(54) SELECTIVE CATALYTIC REDUCTION OF NITROGEN OXIDES